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authorMartin Braun <martin.braun@ettus.com>2014-10-07 11:25:20 +0200
committerMartin Braun <martin.braun@ettus.com>2014-10-07 11:25:20 +0200
commitfd3e84941de463fa1a7ebab0a69515b4bf2614cd (patch)
tree3fa721a13d41d2c0451d663a59a220a38fd5e614 /fpga/usrp2/top/USRP2/u2_core.v
parent3b66804e41891e358c790b453a7a59ec7462dba4 (diff)
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Removed copy of FPGA source files.
Diffstat (limited to 'fpga/usrp2/top/USRP2/u2_core.v')
-rw-r--r--fpga/usrp2/top/USRP2/u2_core.v771
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diff --git a/fpga/usrp2/top/USRP2/u2_core.v b/fpga/usrp2/top/USRP2/u2_core.v
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@@ -1,771 +0,0 @@
-//
-// Copyright 2011-2013 Ettus Research LLC
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
-//
-
-// ////////////////////////////////////////////////////////////////////////////////
-// Module Name: u2_core
-// ////////////////////////////////////////////////////////////////////////////////
-
-module u2_core
- (// Clocks
- input dsp_clk,
- input wb_clk,
- output clock_ready,
- input clk_to_mac,
- input pps_in,
-
- // Misc, debug
- output [7:0] leds,
- output [31:0] debug,
- output [1:0] debug_clk,
-
- // Expansion
- input exp_time_in,
- output exp_time_out,
-
- // GMII
- // GMII-CTRL
- input GMII_COL,
- input GMII_CRS,
-
- // GMII-TX
- output [7:0] GMII_TXD,
- output GMII_TX_EN,
- output GMII_TX_ER,
- output GMII_GTX_CLK,
- input GMII_TX_CLK, // 100mbps clk
-
- // GMII-RX
- input [7:0] GMII_RXD,
- input GMII_RX_CLK,
- input GMII_RX_DV,
- input GMII_RX_ER,
-
- // GMII-Management
- inout MDIO,
- output MDC,
- input PHY_INTn, // open drain
- output PHY_RESETn,
-
- // SERDES
- output ser_enable,
- output ser_prbsen,
- output ser_loopen,
- output ser_rx_en,
-
- output ser_tx_clk,
- output [15:0] ser_t,
- output ser_tklsb,
- output ser_tkmsb,
-
- input ser_rx_clk,
- input [15:0] ser_r,
- input ser_rklsb,
- input ser_rkmsb,
-
- // CPLD interface
- output cpld_start,
- output cpld_mode,
- output cpld_done,
- input cpld_din,
- input cpld_clk,
- input cpld_detached,
- output cpld_misc,
- input cpld_init_b,
- input por,
- output config_success,
-
- // ADC
- input [13:0] adc_a,
- input adc_ovf_a,
- output adc_on_a,
- output adc_oe_a,
-
- input [13:0] adc_b,
- input adc_ovf_b,
- output adc_on_b,
- output adc_oe_b,
-
- // DAC
- output [15:0] dac_a,
- output [15:0] dac_b,
-
- // I2C
- input scl_pad_i,
- output scl_pad_o,
- output scl_pad_oen_o,
- input sda_pad_i,
- output sda_pad_o,
- output sda_pad_oen_o,
-
- // Clock Gen Control
- output [1:0] clk_en,
- output [1:0] clk_sel,
- input clk_func, // FIXME is an input to control the 9510
- input clk_status,
-
- // Generic SPI
- output sclk,
- output mosi,
- input miso,
- output sen_clk,
- output sen_dac,
- output sen_tx_db,
- output sen_tx_adc,
- output sen_tx_dac,
- output sen_rx_db,
- output sen_rx_adc,
- output sen_rx_dac,
-
- // GPIO to DBoards
- inout [15:0] io_tx,
- inout [15:0] io_rx,
-
- // External RAM
- input [17:0] RAM_D_pi,
- output [17:0] RAM_D_po,
- output RAM_D_poe,
- output [18:0] RAM_A,
- output RAM_CE1n,
- output RAM_CENn,
- output RAM_WEn,
- output RAM_OEn,
- output RAM_LDn,
-
- // Debug stuff
- output uart_tx_o,
- input uart_rx_i,
- output uart_baud_o,
- input sim_mode,
- input [3:0] clock_divider
- );
-
- localparam SR_MISC = 0; // 7 regs
- localparam SR_USER_REGS = 8; // 2
- localparam SR_TIME64 = 10; // 6
- localparam SR_BUF_POOL = 16; // 4
- localparam SR_SPI_CORE = 20; // 3
- localparam SR_RX_FRONT = 24; // 5
- localparam SR_RX_CTRL0 = 32; // 9
- localparam SR_RX_DSP0 = 48; // 7
- localparam SR_RX_CTRL1 = 80; // 9
- localparam SR_RX_DSP1 = 96; // 7
-
- localparam SR_TX_FRONT = 128; // ?
- localparam SR_TX_CTRL = 144; // 6
- localparam SR_TX_DSP = 160; // 5
-
- localparam SR_GPIO = 184; // 5
- localparam SR_UDP_SM = 192; // 64
-
- // FIFO Sizes, 9 = 512 lines, 10 = 1024, 11 = 2048
- // all (most?) are 36 bits wide, so 9 is 1 BRAM, 10 is 2, 11 is 4 BRAMs
- // localparam DSP_TX_FIFOSIZE = 9; unused -- DSPTX uses extram fifo
- localparam DSP_RX_FIFOSIZE = 10;
- localparam DSP_TX_FIFOSIZE = 10;
- localparam ETH_TX_FIFOSIZE = 9;
- localparam ETH_RX_FIFOSIZE = 11;
- localparam SERDES_TX_FIFOSIZE = 9;
- localparam SERDES_RX_FIFOSIZE = 9; // RX currently doesn't use a fifo?
-
- wire [7:0] set_addr, set_addr_dsp, set_addr_user;
- wire [31:0] set_data, set_data_dsp, set_data_user;
- wire set_stb, set_stb_dsp, set_stb_user;
-
- wire ram_loader_done, ram_loader_rst;
- wire wb_rst;
- wire dsp_rst = wb_rst;
-
- wire [31:0] status;
- wire bus_error, spi_int, i2c_int, pps_int, onetime_int, periodic_int, buffer_int;
- wire proc_int, overrun0, overrun1, underrun;
- wire uart_tx_int, uart_rx_int;
-
- wire [31:0] debug_gpio_0, debug_gpio_1;
-
- wire [31:0] debug_rx, debug_mac, debug_mac0, debug_mac1, debug_tx_dsp, debug_txc,
- debug_serdes0, debug_serdes1, debug_serdes2, debug_rx_dsp, debug_udp, debug_extfifo, debug_extfifo2;
-
- wire [15:0] ser_rx_occ, ser_tx_occ, dsp_rx_occ, dsp_tx_occ, eth_rx_occ, eth_tx_occ, eth_rx_occ2;
- wire ser_rx_full, ser_tx_full, dsp_rx_full, dsp_tx_full, eth_rx_full, eth_tx_full, eth_rx_full2;
- wire ser_rx_empty, ser_tx_empty, dsp_rx_empty, dsp_tx_empty, eth_rx_empty, eth_tx_empty, eth_rx_empty2;
-
- wire serdes_link_up, good_sync;
- wire epoch;
- wire [31:0] irq;
- wire [63:0] vita_time, vita_time_pps;
-
- wire run_rx0, run_rx1, run_tx;
- reg run_rx0_d1, run_rx1_d1;
-
- // ///////////////////////////////////////////////////////////////////////////////////////////////
- // Wishbone Single Master INTERCON
- localparam dw = 32; // Data bus width
- localparam aw = 16; // Address bus width, for byte addressibility, 16 = 64K byte memory space
- localparam sw = 4; // Select width -- 32-bit data bus with 8-bit granularity.
-
- wire [dw-1:0] m0_dat_o, m0_dat_i;
- wire [dw-1:0] s0_dat_o, s1_dat_o, s0_dat_i, s1_dat_i, s2_dat_o, s3_dat_o, s2_dat_i, s3_dat_i,
- s4_dat_o, s5_dat_o, s4_dat_i, s5_dat_i, s6_dat_o, s7_dat_o, s6_dat_i, s7_dat_i,
- s8_dat_o, s9_dat_o, s8_dat_i, s9_dat_i, sa_dat_o, sa_dat_i, sb_dat_i, sb_dat_o,
- sc_dat_i, sc_dat_o, sd_dat_i, sd_dat_o, se_dat_i, se_dat_o, sf_dat_i, sf_dat_o;
- wire [aw-1:0] m0_adr,s0_adr,s1_adr,s2_adr,s3_adr,s4_adr,s5_adr,s6_adr,s7_adr,s8_adr,s9_adr,sa_adr,sb_adr,sc_adr, sd_adr, se_adr, sf_adr;
- wire [sw-1:0] m0_sel,s0_sel,s1_sel,s2_sel,s3_sel,s4_sel,s5_sel,s6_sel,s7_sel,s8_sel,s9_sel,sa_sel,sb_sel,sc_sel, sd_sel, se_sel, sf_sel;
- wire m0_ack,s0_ack,s1_ack,s2_ack,s3_ack,s4_ack,s5_ack,s6_ack,s7_ack,s8_ack,s9_ack,sa_ack,sb_ack,sc_ack, sd_ack, se_ack, sf_ack;
- wire m0_stb,s0_stb,s1_stb,s2_stb,s3_stb,s4_stb,s5_stb,s6_stb,s7_stb,s8_stb,s9_stb,sa_stb,sb_stb,sc_stb, sd_stb, se_stb, sf_stb;
- wire m0_cyc,s0_cyc,s1_cyc,s2_cyc,s3_cyc,s4_cyc,s5_cyc,s6_cyc,s7_cyc,s8_cyc,s9_cyc,sa_cyc,sb_cyc,sc_cyc, sd_cyc, se_cyc, sf_cyc;
- wire m0_err, m0_rty;
- wire m0_we,s0_we,s1_we,s2_we,s3_we,s4_we,s5_we,s6_we,s7_we,s8_we,s9_we,sa_we,sb_we,sc_we,sd_we,se_we,sf_we;
-
- wb_1master #(.decode_w(8),
- .s0_addr(8'b0000_0000),.s0_mask(8'b1100_0000), // Main RAM (0-16K)
- .s1_addr(8'b0100_0000),.s1_mask(8'b1111_0000), // Packet Router (16-20K)
- .s2_addr(8'b0101_0000),.s2_mask(8'b1111_1100), // SPI
- .s3_addr(8'b0101_0100),.s3_mask(8'b1111_1100), // I2C
- .s4_addr(8'b0101_1000),.s4_mask(8'b1111_1100), // Unused
- .s5_addr(8'b0101_1100),.s5_mask(8'b1111_1100), // Readback
- .s6_addr(8'b0110_0000),.s6_mask(8'b1111_0000), // Ethernet MAC
- .s7_addr(8'b0111_0000),.s7_mask(8'b1111_0000), // Settings Bus (only uses 1K)
- .s8_addr(8'b1000_0000),.s8_mask(8'b1111_1100), // PIC
- .s9_addr(8'b1000_0100),.s9_mask(8'b1111_1100), // Unused
- .sa_addr(8'b1000_1000),.sa_mask(8'b1111_1100), // UART
- .sb_addr(8'b1000_1100),.sb_mask(8'b1111_1100), // Unused
- .sc_addr(8'b1001_0000),.sc_mask(8'b1111_0000), // Unused
- .sd_addr(8'b1010_0000),.sd_mask(8'b1111_0000), // Unused
- .se_addr(8'b1011_0000),.se_mask(8'b1111_0000), // Unused
- .sf_addr(8'b1100_0000),.sf_mask(8'b1100_0000), // Unused
- .dw(dw),.aw(aw),.sw(sw)) wb_1master
- (.clk_i(wb_clk),.rst_i(wb_rst),
- .m0_dat_o(m0_dat_o),.m0_ack_o(m0_ack),.m0_err_o(m0_err),.m0_rty_o(m0_rty),.m0_dat_i(m0_dat_i),
- .m0_adr_i(m0_adr),.m0_sel_i(m0_sel),.m0_we_i(m0_we),.m0_cyc_i(m0_cyc),.m0_stb_i(m0_stb),
- .s0_dat_o(s0_dat_o),.s0_adr_o(s0_adr),.s0_sel_o(s0_sel),.s0_we_o (s0_we),.s0_cyc_o(s0_cyc),.s0_stb_o(s0_stb),
- .s0_dat_i(s0_dat_i),.s0_ack_i(s0_ack),.s0_err_i(0),.s0_rty_i(0),
- .s1_dat_o(s1_dat_o),.s1_adr_o(s1_adr),.s1_sel_o(s1_sel),.s1_we_o (s1_we),.s1_cyc_o(s1_cyc),.s1_stb_o(s1_stb),
- .s1_dat_i(s1_dat_i),.s1_ack_i(s1_ack),.s1_err_i(0),.s1_rty_i(0),
- .s2_dat_o(s2_dat_o),.s2_adr_o(s2_adr),.s2_sel_o(s2_sel),.s2_we_o (s2_we),.s2_cyc_o(s2_cyc),.s2_stb_o(s2_stb),
- .s2_dat_i(s2_dat_i),.s2_ack_i(s2_ack),.s2_err_i(0),.s2_rty_i(0),
- .s3_dat_o(s3_dat_o),.s3_adr_o(s3_adr),.s3_sel_o(s3_sel),.s3_we_o (s3_we),.s3_cyc_o(s3_cyc),.s3_stb_o(s3_stb),
- .s3_dat_i(s3_dat_i),.s3_ack_i(s3_ack),.s3_err_i(0),.s3_rty_i(0),
- .s4_dat_o(s4_dat_o),.s4_adr_o(s4_adr),.s4_sel_o(s4_sel),.s4_we_o (s4_we),.s4_cyc_o(s4_cyc),.s4_stb_o(s4_stb),
- .s4_dat_i(s4_dat_i),.s4_ack_i(s4_ack),.s4_err_i(0),.s4_rty_i(0),
- .s5_dat_o(s5_dat_o),.s5_adr_o(s5_adr),.s5_sel_o(s5_sel),.s5_we_o (s5_we),.s5_cyc_o(s5_cyc),.s5_stb_o(s5_stb),
- .s5_dat_i(s5_dat_i),.s5_ack_i(s5_ack),.s5_err_i(0),.s5_rty_i(0),
- .s6_dat_o(s6_dat_o),.s6_adr_o(s6_adr),.s6_sel_o(s6_sel),.s6_we_o (s6_we),.s6_cyc_o(s6_cyc),.s6_stb_o(s6_stb),
- .s6_dat_i(s6_dat_i),.s6_ack_i(s6_ack),.s6_err_i(0),.s6_rty_i(0),
- .s7_dat_o(s7_dat_o),.s7_adr_o(s7_adr),.s7_sel_o(s7_sel),.s7_we_o (s7_we),.s7_cyc_o(s7_cyc),.s7_stb_o(s7_stb),
- .s7_dat_i(s7_dat_i),.s7_ack_i(s7_ack),.s7_err_i(0),.s7_rty_i(0),
- .s8_dat_o(s8_dat_o),.s8_adr_o(s8_adr),.s8_sel_o(s8_sel),.s8_we_o (s8_we),.s8_cyc_o(s8_cyc),.s8_stb_o(s8_stb),
- .s8_dat_i(s8_dat_i),.s8_ack_i(s8_ack),.s8_err_i(0),.s8_rty_i(0),
- .s9_dat_o(s9_dat_o),.s9_adr_o(s9_adr),.s9_sel_o(s9_sel),.s9_we_o (s9_we),.s9_cyc_o(s9_cyc),.s9_stb_o(s9_stb),
- .s9_dat_i(s9_dat_i),.s9_ack_i(s9_ack),.s9_err_i(0),.s9_rty_i(0),
- .sa_dat_o(sa_dat_o),.sa_adr_o(sa_adr),.sa_sel_o(sa_sel),.sa_we_o(sa_we),.sa_cyc_o(sa_cyc),.sa_stb_o(sa_stb),
- .sa_dat_i(sa_dat_i),.sa_ack_i(sa_ack),.sa_err_i(0),.sa_rty_i(0),
- .sb_dat_o(sb_dat_o),.sb_adr_o(sb_adr),.sb_sel_o(sb_sel),.sb_we_o(sb_we),.sb_cyc_o(sb_cyc),.sb_stb_o(sb_stb),
- .sb_dat_i(sb_dat_i),.sb_ack_i(sb_ack),.sb_err_i(0),.sb_rty_i(0),
- .sc_dat_o(sc_dat_o),.sc_adr_o(sc_adr),.sc_sel_o(sc_sel),.sc_we_o(sc_we),.sc_cyc_o(sc_cyc),.sc_stb_o(sc_stb),
- .sc_dat_i(sc_dat_i),.sc_ack_i(sc_ack),.sc_err_i(0),.sc_rty_i(0),
- .sd_dat_o(sd_dat_o),.sd_adr_o(sd_adr),.sd_sel_o(sd_sel),.sd_we_o(sd_we),.sd_cyc_o(sd_cyc),.sd_stb_o(sd_stb),
- .sd_dat_i(sd_dat_i),.sd_ack_i(sd_ack),.sd_err_i(0),.sd_rty_i(0),
- .se_dat_o(se_dat_o),.se_adr_o(se_adr),.se_sel_o(se_sel),.se_we_o(se_we),.se_cyc_o(se_cyc),.se_stb_o(se_stb),
- .se_dat_i(se_dat_i),.se_ack_i(se_ack),.se_err_i(0),.se_rty_i(0),
- .sf_dat_o(sf_dat_o),.sf_adr_o(sf_adr),.sf_sel_o(sf_sel),.sf_we_o(sf_we),.sf_cyc_o(sf_cyc),.sf_stb_o(sf_stb),
- .sf_dat_i(sf_dat_i),.sf_ack_i(sf_ack),.sf_err_i(0),.sf_rty_i(0));
-
- assign s2_ack = 0;
- assign s4_ack = 0;
- assign s9_ack = 0;
- assign sb_ack = 0;
- assign sc_ack = 0;
- assign sd_ack = 0;
- assign se_ack = 0;
- assign sf_ack = 0;
-
- // ////////////////////////////////////////////////////////////////////////////////////////
- // Reset Controller
- system_control sysctrl (.wb_clk_i(wb_clk), // .por_i(por),
- .ram_loader_rst_o(ram_loader_rst),
- .wb_rst_o(wb_rst),
- .ram_loader_done_i(ram_loader_done));
-
- assign config_success = ram_loader_done;
- reg takeover = 0;
-
- wire cpld_start_int, cpld_mode_int, cpld_done_int;
-
- always @(posedge wb_clk)
- if(ram_loader_done)
- takeover = 1;
- assign cpld_misc = ~takeover;
-
- wire sd_clk, sd_csn, sd_mosi, sd_miso;
-
- assign sd_miso = cpld_din;
- assign cpld_start = takeover ? sd_clk : cpld_start_int;
- assign cpld_mode = takeover ? sd_csn : cpld_mode_int;
- assign cpld_done = takeover ? sd_mosi : cpld_done_int;
-
- // ///////////////////////////////////////////////////////////////////
- // RAM Loader
-
- wire [31:0] ram_loader_dat;
- wire [15:0] ram_loader_adr;
- wire [3:0] ram_loader_sel;
- wire ram_loader_stb, ram_loader_we;
- ram_loader #(.AWIDTH(aw),.RAM_SIZE(16384))
- ram_loader (.wb_clk(wb_clk),.dsp_clk(dsp_clk),.ram_loader_rst(ram_loader_rst),
- .wb_dat(ram_loader_dat),.wb_adr(ram_loader_adr),
- .wb_stb(ram_loader_stb),.wb_sel(ram_loader_sel),
- .wb_we(ram_loader_we),
- .ram_loader_done(ram_loader_done),
- // CPLD Interface
- .cpld_clk(cpld_clk),
- .cpld_din(cpld_din),
- .cpld_start(cpld_start_int),
- .cpld_mode(cpld_mode_int),
- .cpld_done(cpld_done_int),
- .cpld_detached(cpld_detached));
-
- // /////////////////////////////////////////////////////////////////////////
- // Processor
-
- assign bus_error = m0_err | m0_rty;
-
- wire [63:0] zpu_status;
- zpu_wb_top #(.dat_w(dw), .adr_w(aw), .sel_w(sw))
- zpu_top0 (.clk(wb_clk), .rst(wb_rst), .enb(ram_loader_done),
- // Data Wishbone bus to system bus fabric
- .we_o(m0_we),.stb_o(m0_stb),.dat_o(m0_dat_i),.adr_o(m0_adr),
- .dat_i(m0_dat_o),.ack_i(m0_ack),.sel_o(m0_sel),.cyc_o(m0_cyc),
- // Interrupts and exceptions
- .zpu_status(zpu_status), .interrupt(proc_int & 1'b0));
-
- // /////////////////////////////////////////////////////////////////////////
- // Dual Ported RAM -- D-Port is Slave #0 on main Wishbone
- // I-port connects directly to processor and ram loader
-
- ram_harvard #(.AWIDTH(14),.RAM_SIZE(16384),.ICWIDTH(7),.DCWIDTH(6))
- sys_ram(.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),
-
- .ram_loader_adr_i(ram_loader_adr[13:0]), .ram_loader_dat_i(ram_loader_dat),
- .ram_loader_stb_i(ram_loader_stb), .ram_loader_sel_i(ram_loader_sel),
- .ram_loader_we_i(ram_loader_we),
- .ram_loader_done_i(ram_loader_done),
-
- .if_adr(16'b0), .if_data(),
-
- .dwb_adr_i(s0_adr[13:0]), .dwb_dat_i(s0_dat_o), .dwb_dat_o(s0_dat_i),
- .dwb_we_i(s0_we), .dwb_ack_o(s0_ack), .dwb_stb_i(s0_stb), .dwb_sel_i(s0_sel));
-
- // /////////////////////////////////////////////////////////////////////////
- // Buffer Pool, slave #1
- wire rd0_ready_i, rd0_ready_o;
- wire rd1_ready_i, rd1_ready_o;
- wire rd2_ready_i, rd2_ready_o;
- wire rd3_ready_i, rd3_ready_o;
- wire [35:0] rd0_dat, rd1_dat, rd2_dat, rd3_dat;
-
- wire wr0_ready_i, wr0_ready_o;
- wire wr1_ready_i, wr1_ready_o;
- wire wr2_ready_i, wr2_ready_o;
- wire wr3_ready_i, wr3_ready_o;
- wire [35:0] wr0_dat, wr1_dat, wr2_dat, wr3_dat;
-
- wire [35:0] sfc_wr_data, sfc_rd_data;
- wire sfc_wr_ready, sfc_rd_ready;
- wire sfc_wr_valid, sfc_rd_valid;
-
- wire [35:0] tx_err_data;
- wire tx_err_src_rdy, tx_err_dst_rdy;
-
- wire [31:0] router_debug;
-
- packet_router #(.BUF_SIZE(9), .UDP_BASE(SR_UDP_SM), .CTRL_BASE(SR_BUF_POOL)) packet_router
- (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),
- .wb_we_i(s1_we),.wb_stb_i(s1_stb),.wb_adr_i(s1_adr),.wb_dat_i(s1_dat_o),
- .wb_dat_o(s1_dat_i),.wb_ack_o(s1_ack),.wb_err_o(),.wb_rty_o(),
-
- .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp),
-
- .stream_clk(dsp_clk), .stream_rst(dsp_rst), .stream_clr(1'b0),
-
- .status(status), .sys_int_o(buffer_int), .debug(router_debug),
-
- .ser_inp_data(wr0_dat), .ser_inp_valid(wr0_ready_i), .ser_inp_ready(wr0_ready_o),
- .dsp0_inp_data(wr1_dat), .dsp0_inp_valid(wr1_ready_i), .dsp0_inp_ready(wr1_ready_o),
- .dsp1_inp_data(wr3_dat), .dsp1_inp_valid(wr3_ready_i), .dsp1_inp_ready(wr3_ready_o),
- .eth_inp_data(wr2_dat), .eth_inp_valid(wr2_ready_i), .eth_inp_ready(wr2_ready_o),
- .err_inp_data(tx_err_data), .err_inp_valid(tx_err_src_rdy), .err_inp_ready(tx_err_dst_rdy),
- .ctl_inp_data(sfc_wr_data), .ctl_inp_valid(sfc_wr_valid), .ctl_inp_ready(sfc_wr_ready),
-
- .ser_out_data(rd0_dat), .ser_out_valid(rd0_ready_o), .ser_out_ready(rd0_ready_i),
- .dsp_out_data(rd1_dat), .dsp_out_valid(rd1_ready_o), .dsp_out_ready(rd1_ready_i),
- .ctl_out_data(sfc_rd_data), .ctl_out_valid(sfc_rd_valid), .ctl_out_ready(sfc_rd_ready),
- .eth_out_data(rd2_dat), .eth_out_valid(rd2_ready_o), .eth_out_ready(rd2_ready_i)
- );
-
- // /////////////////////////////////////////////////////////////////////////
- // SPI -- Slave #2
- wire [31:0] spi_debug;
- wire [31:0] spi_readback;
- wire spi_ready;
- simple_spi_core #(.BASE(SR_SPI_CORE), .WIDTH(8)) shared_spi(
- .clock(dsp_clk), .reset(dsp_rst),
- .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp),
- .readback(spi_readback), .ready(spi_ready),
- .sen({sen_tx_db,sen_tx_adc,sen_tx_dac,sen_rx_db,sen_rx_adc,sen_rx_dac,sen_dac,sen_clk}),
- .sclk(sclk), .mosi(mosi), .miso(miso), .debug(spi_debug)
- );
-
- // /////////////////////////////////////////////////////////////////////////
- // I2C -- Slave #3
- i2c_master_top #(.ARST_LVL(1))
- i2c (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),.arst_i(1'b0),
- .wb_adr_i(s3_adr[4:2]),.wb_dat_i(s3_dat_o[7:0]),.wb_dat_o(s3_dat_i[7:0]),
- .wb_we_i(s3_we),.wb_stb_i(s3_stb),.wb_cyc_i(s3_cyc),
- .wb_ack_o(s3_ack),.wb_inta_o(i2c_int),
- .scl_pad_i(scl_pad_i),.scl_pad_o(scl_pad_o),.scl_padoen_o(scl_pad_oen_o),
- .sda_pad_i(sda_pad_i),.sda_pad_o(sda_pad_o),.sda_padoen_o(sda_pad_oen_o) );
-
- assign s3_dat_i[31:8] = 24'd0;
-
- // /////////////////////////////////////////////////////////////////////////
- // GPIOs
-
- wire [31:0] gpio_readback;
-
- gpio_atr #(.BASE(SR_GPIO), .WIDTH(32))
- gpio_atr(.clk(dsp_clk),.reset(dsp_rst),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .rx(run_rx0_d1 | run_rx1_d1), .tx(run_tx),
- .gpio({io_tx,io_rx}), .gpio_readback(gpio_readback) );
-
- // /////////////////////////////////////////////////////////////////////////
- // Buffer Pool Status -- Slave #5
-
- //compatibility number -> increment when the fpga has been sufficiently altered
- localparam compat_num = {16'd10, 16'd1}; //major, minor
-
- wire [31:0] irq_readback = {19'b0, spi_ready, clk_status, serdes_link_up, 10'b0};
-
- wb_readback_mux buff_pool_status
- (.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s5_stb),
- .wb_adr_i(s5_adr), .wb_dat_o(s5_dat_i), .wb_ack_o(s5_ack),
-
- .word00(spi_readback),.word01(32'hffff_ffff),.word02(32'hffff_ffff),.word03(32'hffff_ffff),
- .word04(32'hffff_ffff),.word05(32'hffff_ffff),.word06(32'hffff_ffff),.word07(32'hffff_ffff),
- .word08(status),.word09(gpio_readback),.word10(vita_time[63:32]),
- .word11(vita_time[31:0]),.word12(compat_num),.word13(irq_readback),
- .word14(vita_time_pps[63:32]),.word15(vita_time_pps[31:0])
- );
-
- // /////////////////////////////////////////////////////////////////////////
- // Ethernet MAC Slave #6
-
- simple_gemac_wrapper #(.RXFIFOSIZE(ETH_RX_FIFOSIZE),
- .TXFIFOSIZE(ETH_TX_FIFOSIZE)) simple_gemac_wrapper
- (.clk125(clk_to_mac), .reset(wb_rst),
- .GMII_GTX_CLK(GMII_GTX_CLK), .GMII_TX_EN(GMII_TX_EN),
- .GMII_TX_ER(GMII_TX_ER), .GMII_TXD(GMII_TXD),
- .GMII_RX_CLK(GMII_RX_CLK), .GMII_RX_DV(GMII_RX_DV),
- .GMII_RX_ER(GMII_RX_ER), .GMII_RXD(GMII_RXD),
- .sys_clk(dsp_clk),
- .rx_f36_data(wr2_dat), .rx_f36_src_rdy(wr2_ready_i), .rx_f36_dst_rdy(wr2_ready_o),
- .tx_f36_data(rd2_dat), .tx_f36_src_rdy(rd2_ready_o), .tx_f36_dst_rdy(rd2_ready_i),
- .wb_clk(wb_clk), .wb_rst(wb_rst), .wb_stb(s6_stb), .wb_cyc(s6_cyc), .wb_ack(s6_ack),
- .wb_we(s6_we), .wb_adr(s6_adr), .wb_dat_i(s6_dat_o), .wb_dat_o(s6_dat_i),
- .mdio(MDIO), .mdc(MDC),
- .debug(debug_mac));
-
- // /////////////////////////////////////////////////////////////////////////
- // Settings Bus -- Slave #7
- settings_bus settings_bus
- (.wb_clk(wb_clk),.wb_rst(wb_rst),.wb_adr_i(s7_adr),.wb_dat_i(s7_dat_o),
- .wb_stb_i(s7_stb),.wb_we_i(s7_we),.wb_ack_o(s7_ack),
- .strobe(set_stb),.addr(set_addr),.data(set_data));
-
- assign s7_dat_i = 32'd0;
-
- wire set_stb_dsp0, set_stb_dsp1;
- wire [31:0] set_data_dsp0, set_data_dsp1;
- wire [7:0] set_addr_dsp0, set_addr_dsp1;
-
- //mux settings_bus_crossclock and settings_readback_bus_fifo_ctrl with prio
- assign set_stb_dsp = set_stb_dsp0 | set_stb_dsp1;
- assign set_addr_dsp = set_stb_dsp1? set_addr_dsp1 : set_addr_dsp0;
- assign set_data_dsp = set_stb_dsp1? set_data_dsp1 : set_data_dsp0;
-
- settings_bus_crossclock #(.FLOW_CTRL(1/*on*/)) settings_bus_crossclock
- (.clk_i(wb_clk), .rst_i(wb_rst), .set_stb_i(set_stb), .set_addr_i(set_addr), .set_data_i(set_data),
- .clk_o(dsp_clk), .rst_o(dsp_rst), .set_stb_o(set_stb_dsp0), .set_addr_o(set_addr_dsp0), .set_data_o(set_data_dsp0),
- .blocked(set_stb_dsp1));
-
- user_settings #(.BASE(SR_USER_REGS)) user_settings
- (.clk(dsp_clk),.rst(dsp_rst),.set_stb(set_stb_dsp),
- .set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .set_addr_user(set_addr_user),.set_data_user(set_data_user),
- .set_stb_user(set_stb_user) );
-
- // /////////////////////////////////////////////////////////////////////////
- // Settings + Readback Bus -- FIFO controlled
-
- wire [31:0] sfc_debug;
- wire sfc_clear;
- /*
- settings_fifo_ctrl #(.PROT_DEST(3), .PROT_HDR(1)) sfc
- (
- .clock(dsp_clk), .reset(dsp_rst), .clear(sfc_clear),
- .vita_time(vita_time), .perfs_ready(spi_ready),
- .in_data(sfc_rd_data), .in_valid(sfc_rd_valid), .in_ready(sfc_rd_ready),
- .out_data(sfc_wr_data), .out_valid(sfc_wr_valid), .out_ready(sfc_wr_ready),
- .strobe(set_stb_dsp1), .addr(set_addr_dsp1), .data(set_data_dsp1),
- .word00(spi_readback),.word01(32'hffff_ffff),.word02(32'hffff_ffff),.word03(32'hffff_ffff),
- .word04(32'hffff_ffff),.word05(32'hffff_ffff),.word06(32'hffff_ffff),.word07(32'hffff_ffff),
- .word08(32'hffff_ffff),.word09(gpio_readback),.word10(vita_time[63:32]),
- .word11(vita_time[31:0]),.word12(32'hffff_ffff),.word13(irq_readback),
- .word14(vita_time_pps[63:32]),.word15(vita_time_pps[31:0]),
- .debug(sfc_debug)
- );
- */
- assign sfc_debug = 0;
- assign set_stb_dsp1 = 0;
- assign set_addr_dsp1 = 0;
- assign set_data_dsp1 = 0;
- assign sfc_rd_ready = 1;
- assign sfc_wr_valid = 0;
- assign sfc_wr_data = 0;
-
- setting_reg #(.my_addr(SR_BUF_POOL+1/*same as packet dispatcher*/),.width(1)) sr_clear_sfc
- (.clk(dsp_clk),.rst(dsp_rst),.strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp),.changed(sfc_clear));
-
- // Output control lines
- wire [7:0] clock_outs, serdes_outs, adc_outs;
- assign {clock_ready, clk_en[1:0], clk_sel[1:0]} = clock_outs[4:0];
- assign {ser_enable, ser_prbsen, ser_loopen, ser_rx_en} = serdes_outs[3:0];
- assign {adc_oe_a, adc_on_a, adc_oe_b, adc_on_b } = adc_outs[3:0];
-
- wire phy_reset;
- assign PHY_RESETn = ~phy_reset;
-
- setting_reg #(.my_addr(SR_MISC+0),.width(8)) sr_clk
- (.clk(wb_clk),.rst(wb_rst),.strobe(s7_ack),.addr(set_addr),.in(set_data),.out(clock_outs),.changed());
-
- setting_reg #(.my_addr(SR_MISC+1),.width(8)) sr_ser
- (.clk(dsp_clk),.rst(dsp_rst),.strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp),.out(serdes_outs),.changed());
-
- setting_reg #(.my_addr(SR_MISC+2),.width(8)) sr_adc
- (.clk(dsp_clk),.rst(dsp_rst),.strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp),.out(adc_outs),.changed());
-
- setting_reg #(.my_addr(SR_MISC+4),.width(1)) sr_phy
- (.clk(dsp_clk),.rst(dsp_rst),.strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp),.out(phy_reset),.changed());
-
- // /////////////////////////////////////////////////////////////////////////
- // LEDS
- // register 8 determines whether leds are controlled by SW or not
- // 1 = controlled by HW, 0 = by SW
- // In Rev3 there are only 6 leds, and the highest one is on the ETH connector
-
- wire [7:0] led_src, led_sw;
- wire [7:0] led_hw = {run_tx, (run_rx0_d1 | run_rx1_d1), clk_status, serdes_link_up & good_sync, 1'b0};
-
- setting_reg #(.my_addr(SR_MISC+3),.width(8)) sr_led
- (.clk(dsp_clk),.rst(dsp_rst),.strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp),.out(led_sw),.changed());
-
- setting_reg #(.my_addr(SR_MISC+6),.width(8), .at_reset(8'b0001_1110)) sr_led_src
- (.clk(dsp_clk),.rst(dsp_rst),.strobe(set_stb_dsp),.addr(set_addr_dsp), .in(set_data_dsp),.out(led_src),.changed());
-
- assign leds = (led_src & led_hw) | (~led_src & led_sw);
-
- // /////////////////////////////////////////////////////////////////////////
- // Interrupt Controller, Slave #8
-
- assign irq= {{8'b0},
- {3'b0, uart_tx_int, 2'b0, uart_rx_int},
- {4'b0, clk_status, 3'b0},
- {3'b0, PHY_INTn,i2c_int,spi_int,2'b00}};
-
- pic pic(.clk_i(wb_clk),.rst_i(wb_rst),.cyc_i(s8_cyc),.stb_i(s8_stb),.adr_i(s8_adr[4:2]),
- .we_i(s8_we),.dat_i(s8_dat_o),.dat_o(s8_dat_i),.ack_o(s8_ack),.int_o(proc_int),
- .irq(irq) );
-
- // /////////////////////////////////////////////////////////////////////////
- // UART, Slave #10
-
- simple_uart #(.TXDEPTH(3),.RXDEPTH(3)) uart // depth of 3 is 128 entries
- (.clk_i(wb_clk),.rst_i(wb_rst),
- .we_i(sa_we),.stb_i(sa_stb),.cyc_i(sa_cyc),.ack_o(sa_ack),
- .adr_i(sa_adr[4:2]),.dat_i(sa_dat_o),.dat_o(sa_dat_i),
- .rx_int_o(uart_rx_int),.tx_int_o(uart_tx_int),
- .tx_o(uart_tx_o),.rx_i(uart_rx_i),.baud_o(uart_baud_o));
-
- // /////////////////////////////////////////////////////////////////////////
- // ADC Frontend
- wire [23:0] rx_fe_i, rx_fe_q;
-
- rx_frontend #(.BASE(SR_RX_FRONT)) rx_frontend
- (.clk(dsp_clk),.rst(dsp_rst),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .adc_a({adc_a,2'b00}),.adc_ovf_a(adc_ovf_a),
- .adc_b({adc_b,2'b00}),.adc_ovf_b(adc_ovf_b),
- .i_out(rx_fe_i), .q_out(rx_fe_q), .run(run_rx0_d1 | run_rx1_d1), .debug());
-
- // /////////////////////////////////////////////////////////////////////////
- // DSP RX 0
- wire [31:0] sample_rx0;
- wire strobe_rx0, clear_rx0;
-
- always @(posedge dsp_clk)
- run_rx0_d1 <= run_rx0;
-
- ddc_chain #(.BASE(SR_RX_DSP0), .DSPNO(0)) ddc_chain0
- (.clk(dsp_clk), .rst(dsp_rst), .clr(clear_rx0),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user),
- .rx_fe_i(rx_fe_i),.rx_fe_q(rx_fe_q),
- .sample(sample_rx0), .run(run_rx0_d1), .strobe(strobe_rx0),
- .debug() );
-
- vita_rx_chain #(.BASE(SR_RX_CTRL0),.UNIT(0),.FIFOSIZE(DSP_RX_FIFOSIZE), .DSP_NUMBER(0)) vita_rx_chain0
- (.clk(dsp_clk), .reset(dsp_rst),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user),
- .vita_time(vita_time), .overrun(overrun0),
- .sample(sample_rx0), .run(run_rx0), .strobe(strobe_rx0), .clear_o(clear_rx0),
- .rx_data_o(wr1_dat), .rx_src_rdy_o(wr1_ready_i), .rx_dst_rdy_i(wr1_ready_o),
- .debug() );
-
- // /////////////////////////////////////////////////////////////////////////
- // DSP RX 1
- wire [31:0] sample_rx1;
- wire strobe_rx1, clear_rx1;
-
- always @(posedge dsp_clk)
- run_rx1_d1 <= run_rx1;
-
- ddc_chain #(.BASE(SR_RX_DSP1), .DSPNO(1)) ddc_chain1
- (.clk(dsp_clk), .rst(dsp_rst), .clr(clear_rx1),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user),
- .rx_fe_i(rx_fe_i),.rx_fe_q(rx_fe_q),
- .sample(sample_rx1), .run(run_rx1_d1), .strobe(strobe_rx1),
- .debug() );
-
- vita_rx_chain #(.BASE(SR_RX_CTRL1),.UNIT(2),.FIFOSIZE(DSP_RX_FIFOSIZE), .DSP_NUMBER(1)) vita_rx_chain1
- (.clk(dsp_clk), .reset(dsp_rst),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user),
- .vita_time(vita_time), .overrun(overrun1),
- .sample(sample_rx1), .run(run_rx1), .strobe(strobe_rx1), .clear_o(clear_rx1),
- .rx_data_o(wr3_dat), .rx_src_rdy_o(wr3_ready_i), .rx_dst_rdy_i(wr3_ready_o),
- .debug() );
-
- // ///////////////////////////////////////////////////////////////////////////////////
- // DSP TX
-
- wire [35:0] tx_data;
- wire tx_src_rdy, tx_dst_rdy;
- wire [31:0] debug_vt;
- wire clear_tx;
-
- ext_fifo #(.EXT_WIDTH(18),.INT_WIDTH(36),.RAM_DEPTH(19),.FIFO_DEPTH(19))
- ext_fifo_i1
- (.int_clk(dsp_clk),
- .ext_clk(clk_to_mac),
- .rst(dsp_rst | clear_tx),
- .RAM_D_pi(RAM_D_pi),
- .RAM_D_po(RAM_D_po),
- .RAM_D_poe(RAM_D_poe),
- .RAM_A(RAM_A),
- .RAM_WEn(RAM_WEn),
- .RAM_CENn(RAM_CENn),
- .RAM_LDn(RAM_LDn),
- .RAM_OEn(RAM_OEn),
- .RAM_CE1n(RAM_CE1n),
- .datain(rd1_dat),
- .src_rdy_i(rd1_ready_o),
- .dst_rdy_o(rd1_ready_i),
- .dataout(tx_data),
- .src_rdy_o(tx_src_rdy),
- .dst_rdy_i(tx_dst_rdy),
- .debug(debug_extfifo),
- .debug2(debug_extfifo2) );
-
- wire [23:0] tx_fe_i, tx_fe_q;
- wire [31:0] sample_tx;
- wire strobe_tx;
-
- vita_tx_chain #(.BASE(SR_TX_CTRL), .FIFOSIZE(DSP_TX_FIFOSIZE),
- .REPORT_ERROR(1), .DO_FLOW_CONTROL(1),
- .PROT_ENG_FLAGS(1), .USE_TRANS_HEADER(1),
- .DSP_NUMBER(0))
- vita_tx_chain
- (.clk(dsp_clk), .reset(dsp_rst),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user),
- .vita_time(vita_time),
- .tx_data_i(tx_data), .tx_src_rdy_i(tx_src_rdy), .tx_dst_rdy_o(tx_dst_rdy),
- .err_data_o(tx_err_data), .err_src_rdy_o(tx_err_src_rdy), .err_dst_rdy_i(tx_err_dst_rdy),
- .sample(sample_tx), .strobe(strobe_tx),
- .underrun(underrun), .run(run_tx), .clear_o(clear_tx),
- .debug(debug_vt));
-
- duc_chain #(.BASE(SR_TX_DSP), .DSPNO(0)) duc_chain
- (.clk(dsp_clk),.rst(dsp_rst), .clr(clear_tx),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user),
- .tx_fe_i(tx_fe_i),.tx_fe_q(tx_fe_q),
- .sample(sample_tx), .run(run_tx), .strobe(strobe_tx),
- .debug() );
-
- tx_frontend #(.BASE(SR_TX_FRONT)) tx_frontend
- (.clk(dsp_clk), .rst(dsp_rst),
- .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
- .tx_i(tx_fe_i), .tx_q(tx_fe_q), .run(1'b1),
- .dac_a(dac_a), .dac_b(dac_b));
-
- // ///////////////////////////////////////////////////////////////////////////////////
- // SERDES
-
- serdes #(.TXFIFOSIZE(SERDES_TX_FIFOSIZE),.RXFIFOSIZE(SERDES_RX_FIFOSIZE)) serdes
- (.clk(dsp_clk),.rst(dsp_rst),
- .ser_tx_clk(ser_tx_clk),.ser_t(ser_t),.ser_tklsb(ser_tklsb),.ser_tkmsb(ser_tkmsb),
- .rd_dat_i(rd0_dat[31:0]),.rd_flags_i(rd0_dat[35:32]),.rd_ready_o(rd0_ready_i),.rd_ready_i(rd0_ready_o),
- .ser_rx_clk(ser_rx_clk),.ser_r(ser_r),.ser_rklsb(ser_rklsb),.ser_rkmsb(ser_rkmsb),
- .wr_dat_o(wr0_dat[31:0]),.wr_flags_o(wr0_dat[35:32]),.wr_ready_o(wr0_ready_i),.wr_ready_i(wr0_ready_o),
- .tx_occupied(ser_tx_occ),.tx_full(ser_tx_full),.tx_empty(ser_tx_empty),
- .rx_occupied(ser_rx_occ),.rx_full(ser_rx_full),.rx_empty(ser_rx_empty),
- .serdes_link_up(serdes_link_up),.debug0(debug_serdes0), .debug1(debug_serdes1) );
-
- assign RAM_CLK = clk_to_mac;
-
- // /////////////////////////////////////////////////////////////////////////
- // VITA Timing
-
- wire [31:0] debug_sync;
-
- time_64bit #(.BASE(SR_TIME64)) time_64bit
- (.clk(dsp_clk), .rst(dsp_rst), .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp),
- .pps(pps_in), .vita_time(vita_time), .vita_time_pps(vita_time_pps), .pps_int(pps_int),
- .exp_time_in(exp_time_in), .exp_time_out(exp_time_out), .good_sync(good_sync), .debug(debug_sync));
-
- // /////////////////////////////////////////////////////////////////////////////////////////
- // Debug Pins
-
- assign debug_clk = 2'b00; // {dsp_clk, clk_to_mac};
- assign debug = 32'd0;
- assign debug_gpio_0 = 32'd0;
- assign debug_gpio_1 = 32'd0;
-
-endmodule // u2_core